Home / 1,200,886.64-1,656,952.44-717,357.36

Finding the Fourth Proportional to 1,200,886.64, 1,656,952.44 and 717,357.36

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Solution

The fourth proportional to 1,200,886.64, 1,656,952.44 and 717,357.36 is: 989,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,886.64 : 1,656,952.44 = 717,357.36 : x
  2. Step 2: Convert to fraction form
    1,200,886.64/1,656,952.44 = 717,357.36/x
  3. Step 3: Cross multiply
    1,200,886.64x = 1,656,952.44 × 717,357.36
  4. Step 4: Simplify right side
    1,200,886.64x = 1,188,627,028,003.96
  5. Step 5: Solve for x
    x = 1,188,627,028,003.96/1,200,886.64
  6. Step 6: Final answer
    x = 989,791.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.